! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 8 V IC = 15 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7094 -3.0 24.888 175.4 0.0013 91.8 0.9726 -1.0 0.020 0.7064 -6.5 24.471 174.5 0.0027 89.2 0.9796 -2.6 0.050 0.6993 -16.5 23.784 167.8 0.0066 79.9 0.9629 -6.7 0.100 0.6734 -31.8 22.656 158.6 0.0131 75.4 0.9300 -12.8 0.150 0.6470 -46.1 21.178 148.7 0.0190 68.5 0.8839 -18.3 0.200 0.6219 -59.2 19.703 141.3 0.0231 63.5 0.8319 -22.5 0.250 0.5863 -71.2 18.089 133.9 0.0267 58.8 0.7781 -25.9 0.300 0.5574 -81.5 16.520 128.2 0.0297 56.9 0.7333 -28.5 0.400 0.5169 -99.0 13.992 119.0 0.0343 52.7 0.6531 -31.7 0.500 0.4829 -113.6 11.895 111.1 0.0378 50.5 0.5942 -33.3 0.600 0.4667 -124.8 10.374 105.2 0.0413 50.0 0.5525 -34.4 0.700 0.4562 -134.2 9.155 100.2 0.0439 49.6 0.5211 -35.2 0.800 0.4436 -142.7 8.132 95.9 0.0473 49.0 0.4967 -35.5 0.900 0.4338 -149.2 7.312 92.1 0.0501 49.7 0.4790 -35.7 1.000 0.4299 -156.4 6.673 88.7 0.0523 49.9 0.4673 -36.3 1.100 0.4284 -162.5 6.130 85.6 0.0554 50.4 0.4550 -37.1 1.200 0.4287 -167.4 5.657 82.6 0.0584 50.6 0.4459 -37.8 1.300 0.4243 -171.6 5.235 80.1 0.0614 51.0 0.4399 -38.4 1.400 0.4264 -175.7 4.868 77.5 0.0638 51.3 0.4346 -39.3 1.500 0.4253 -179.7 4.586 75.2 0.0670 51.3 0.4305 -40.3 1.600 0.4301 176.5 4.289 72.4 0.0702 51.4 0.4239 -41.3 1.700 0.4299 172.9 4.059 70.2 0.0730 51.9 0.4204 -42.2 1.800 0.4339 169.2 3.847 68.1 0.0759 51.7 0.4202 -43.3 1.900 0.4340 166.4 3.665 65.7 0.0795 51.7 0.4182 -44.8 2.000 0.4389 163.3 3.474 63.6 0.0824 51.5 0.4133 -46.1 2.200 0.4447 157.4 3.166 59.4 0.0886 51.4 0.4119 -48.3 2.400 0.4514 151.8 2.926 55.2 0.0947 51.0 0.4052 -51.4 2.600 0.4616 146.4 2.697 51.4 0.1005 50.2 0.4040 -53.9 2.800 0.4704 142.0 2.512 47.8 0.1064 49.9 0.3974 -57.0 3.000 0.4795 137.9 2.344 44.0 0.1131 49.4 0.3995 -59.9 3.500 0.5131 128.0 2.010 35.2 0.1290 46.7 0.3931 -69.3 4.000 0.5501 119.7 1.761 26.7 0.1440 44.2 0.3845 -79.4 4.500 0.5781 112.9 1.560 18.7 0.1585 41.2 0.3865 -89.6 5.000 0.6049 106.4 1.400 10.9 0.1727 38.4 0.3998 -100.8 5.500 0.6261 101.7 1.249 4.1 0.1864 35.1 0.4080 -110.8 6.000 0.6339 96.8 1.136 -2.5 0.2001 32.3 0.4325 -119.0 ! ! SIEMENS AG Semiconductor Group, Munich